Fluid handling – Systems – With flow control means for branched passages
Patent
1992-05-21
1993-07-13
Fox, John C.
Fluid handling
Systems
With flow control means for branched passages
25112901, 25112912, F16K 3104
Patent
active
052264548
ABSTRACT:
A motor actuated electric valve includes a DC motor, a gear reducer assembly, a valve body and a fluid diverter mechanically attached to the output of the gear reducer assembly. Rotation of the motor results in repositioning of the diverter within the valve body. Unidirectional and bidirectional operation of the motor are achieved via a rectifier circuit and cams which actuate limit switches to interrupt operation of the motor when the diverter is in a first or a second desired position. The valve is readily substituted for current AC actuated valves since the rectifier is incorporated into the valve actuator.
REFERENCES:
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patent: 4398562 (1983-08-01), Saarem
patent: 4580761 (1986-04-01), Silcox et al.
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patent: 4741508 (1988-05-01), Fukamachi
patent: 4852071 (1989-07-01), Otto
patent: 4892286 (1990-01-01), Reinicke et al.
patent: 4930746 (1990-06-01), Reinicke et al.
patent: 5024418 (1991-06-01), Reinicke et al.
Fox John C.
Hydrotech Chemical Corporation
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